The Verrazano-Narrows Bridge was the world's longest suspension bridge when it first opened in 1964. The massive 693 foot towers are actually farther apart at the top by 1 and 5/8 inches due to the curvature of the Earth.
In this vintage video shot by Ronald Tadross, a civil engineer working on the bridge, watch at varous stages of the bridge's construction and grand opening.
Verrazano Narrows Bridge - Construction & Opening. Shot by civil engineer Ronald Tadross early 1960's
h/t Gothamist
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